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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: J Occup Environ Med. 2021 Aug 1;63(8):708–712. doi: 10.1097/JOM.0000000000002234

Table 1.

Participant characteristics.

N %
Male 155 97.5
Female 4 2.5
Mean ± SD Range
Age (years) 36.1 ± 10.4 20–66
Age group N %
 20–29 43 28.7
 30–39 60 40.0
 40–49 29 19.3
 50–59 11 7.3
 60+ 7 4.7
Current Smoker 19 11.7
Non-smoker 143 88.3
Mean ± SD Range
BMI (kg/m2) 28.3 ± 4.5 18.6–42.7
BMI Category N %
 Normal (<25.0 kg/m2) 35 22.7
 Overweight (25.0–29.9 kg/m2) 67 43.5
 Obese (30.0+ kg/m2) 52 33.7
Job Title
 Farm Worker 138 90.8
 Farm Owner 8 5.3
 Farm Supervisor 4 2.6
 Other 2 1.3
Mean ± SD Range
Years in current job 9.8 ± 7.7 0–39
Farm Type N %
 Dairy 44 27.2
 Fruit 75 46.3
 Vegetable 21 13.0
Ever worn respirator 108 72.5
Ever been fit-tested 54 36.2